EDUCATION
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home > education41. Reed Switch Wind Turbine RPM Meter
Find out how to use a reed switch to make a wind turbine RPM meter
![Reed Switch Wind Turbine RPM Meter](article-thumb/tmb_Reed-Switch-Wind-Turbine-RPM-Meter.jpg)
42. Raspberry Pi Temperature Logger with Xively
Make a Raspberry Pi temperature data logger accessible online with Xively
![Raspberry Pi Temperature Logger with Xively](article-thumb/tmb_Raspberry-Pi-Temperature-Logger-with-Xively.jpg)
43. Power 12V LED Spotlight with 4 AA Batteries
Use a DC-DC converter to step up the voltage from 4 AA batteries to light a bright 12V LED spotlight
![Power 12V LED Spotlight with 4 AA Batteries](article-thumb/tmb_Power-12V-LED-Spotlight-with-4-AA-Batteries.jpg)
44. PVC Wind Turbine Blades
Learn how to make your own PVC wind turbine blades
![PVC Wind Turbine Blades](article-thumb/tmb_PVC-Wind-Turbine-Blades.jpg)
45. Radial Drilling for Ground Source Heat Pumps
Using radial drilling to maximise ground source heat pump efficiency
![Radial Drilling for Ground Source Heat Pumps](article-thumb/tmb_Radial-Drilling-for-Ground-Source-Heat-Pumps.jpg)
46. Publish Temperature Sensor Readings to Twitter Raspberry Pi
Find out how to publish DS18B20 temperature sensor readings to Twitter from Raspberry Pi
![Publish Temperature Sensor Readings to Twitter Raspberry Pi](article-thumb/tmb_Publish-Temperature-Sensor-Readings-to-Twitter-Raspberry-Pi.jpg)
47. Power over Ethernet
Find out how to power your networked microcontroller projects directly via the ethernet cable
![Power over Ethernet](article-thumb/tmb_Power-over-Ethernet.jpg)
48. PICAXE Microcontrollers
Find out about PICAXE microcontrollers and their use in renewable energy projects
![PICAXE Microcontrollers](article-thumb/tmb_PICAXE-Microcontrollers.jpg)
49. Picaxe Programming From Linux
Find out how to programme PICAXE microcontrollers from the Linux command line
![Picaxe Programming From Linux](article-thumb/tmb_Picaxe-Programming-From-Linux.jpg)
50. Ohms Law
Learn about Ohm's Law and how it is used in Renewable Energy systems
![Ohms Law](article-thumb/tmb_Ohms-Law.jpg)